Figuring out what's wrong with it exactly is always a good start.
I have one. What did you need to know?
Glove Compartment
The "glove compartment" would be that tiny storage space between the driver and passanger seats. There isn't a regular glove compartment.
Replace the Blower Resistor which is located behind the glove compartment. This is a common problem.
Open the glove compartment. There is a fuse box in the back.
how to open a glove compartment on a 2008 highlander without the key
The inside of the glove compartment would not go through the firewall to the engine area. It might have slipped up into the dashboard if it isn't on the floor.
The light for the glove compartment on a 2001 4Runner is in the unit itself. When the glove box is opened the light will turn on.
open your glove compartment empty contents then pull down compartment, fuses and fuse board are behind glove compartment.
in the glove compartment, and the relays are under the tray in the glove compartment
It is located right behind the glove compartment. Remove the glove box and you'll see it. IIRC, it's a white piece. It should be an easy fix.
The cabin filter is located behind the glove compartment. If you open the glove compartment you shoudl be able to press the sides inward. This will allow the glove compartment to open all the way out. After you remove the glove compartment you will see a plastic tray that holds the filter.